FROM debian:stable ENV COMPOSE_VERSION 1.7.1 ENV PATH /usr/local/rvm/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin RUN apt-get update RUN apt-get -y install procps build-essential openssl libreadline6 libreadline6-dev curl git-core zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-dev libxml2-dev libxslt-dev autoconf libc6-dev ncurses-dev automake libtool bison rubygems RUN gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 && curl -L get.rvm.io | bash -s stable --ruby=2.3.1 --with-gems="bundle" RUN apt-get update -q \ && apt-get install -y -q --no-install-recommends curl ca-certificates \ && curl -o /usr/local/bin/docker-compose -L \ "https://github.com/docker/compose/releases/download/${COMPOSE_VERSION}/docker-compose-Linux-x86_64" \ && chmod +x /usr/local/bin/docker-compose COPY Gemfile Gemfile RUN /bin/bash -c "source /usr/local/rvm/scripts/rvm && rvm @global do bundle install"